December weather forecastBangor, ME
December
Weather in December
Come December, the city of Bangor, Maine is fully engrossed into the harsh and nerve-chilling winter season. Snowfall spikes up, with a whopping 5.75" (146mm) of snow typically blanketing the town across 10.3 days on average. The shortened daylight of 8.9 hours and a high temperature not exceeding 32.4°F (0.2°C) adds to the cold, wintry feel of this month. Despite the extreme conditions, the festive spirit of the end-of-year holidays keeps the city vibrant and lively. The continuous snowfall and the freezing temperatures define a white Christmas in the city, marking an end to the annual weather cycle.Temperature
Transition into December marks a drop in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in November to an icy 32.4°F (0.2°C). The mean low-temperature during December nights in Bangor is a subzero cold 21.9°F (-5.6°C).Humidity
The average relative humidity in December is 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 11 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Bangor, in December, during 10.3 snowfall days, 5.75" (146mm) of snow is typically accumulated. In Bangor, during the entire year, snow falls for 58 days and aggregates up to 34.09" (866mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:53 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:04 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bangor, ME
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Bangor, ME
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Bangor, ME
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Bangor, ME
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Bangor, ME
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in December
Bangor, ME
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Bangor, ME
- Average snowfall in December: 5.75"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bangor, ME
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bangor, ME
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Bangor, ME
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Bangor, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Bangor, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Bangor, ME
- Average visibility in December: 6mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
